CN104682495B - A kind of charge circuit of screwdriver - Google Patents

A kind of charge circuit of screwdriver Download PDF

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Publication number
CN104682495B
CN104682495B CN201510071417.1A CN201510071417A CN104682495B CN 104682495 B CN104682495 B CN 104682495B CN 201510071417 A CN201510071417 A CN 201510071417A CN 104682495 B CN104682495 B CN 104682495B
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CN
China
Prior art keywords
screwdriver
positive pole
electric conductor
charge circuit
bearing block
Prior art date
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Active
Application number
CN201510071417.1A
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Chinese (zh)
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CN104682495A (en
Inventor
不公告发明人
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
STANDMAC MES Co Ltd
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STANDMAC MES Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by STANDMAC MES Co Ltd filed Critical STANDMAC MES Co Ltd
Priority to CN201510071417.1A priority Critical patent/CN104682495B/en
Priority claimed from PCT/CN2015/077191 external-priority patent/WO2016008321A1/en
Publication of CN104682495A publication Critical patent/CN104682495A/en
Application granted granted Critical
Publication of CN104682495B publication Critical patent/CN104682495B/en
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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0042Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
    • H02J7/0045Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction concerning the insertion or the connection of the batteries
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28Clamped connections, spring connections
    • H01R4/48Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4854Clamped connections, spring connections utilising a spring, clip, or other resilient member using a wire spring
    • H01R4/4863Coil spring
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Abstract

Present invention is disclosed the charge circuit of a kind of screwdriver, screwdriver includes metal shell, is provided with bearing block, conducting strip and battery in metal shell;Screwdriver holding seat includes holding seat main body, PCBA, cathode conductive film and positive pole elastic electric conductor;When screw driver is connected in screwdriver holding seat, externally fed power supply forms charge circuit by way of the positive pole feeder ear of PCBA, positive pole elastic electric conductor, bearing block, conducting strip, the positive pole of battery, the negative pole of battery, metal shell, cathode conductive film, the negative pole feeder ear of PCBA.Beneficial effects of the present invention, uses the screwdriver and screwdriver holding seat matched, and both grafting form charge circuit, convenient and swift to screwdriver charging by this charge circuit;Positive pole elastic electric conductor leads employing ad hoc structure, more reliable with contacting between screwdriver, reduces the required precision to electric-conductor, and plug is more smooth and easy;Add and make conducting strip abut more firm elastic component with bearing block, improve the stability of charge circuit.

Description

A kind of charge circuit of screwdriver
Technical field
The present invention relates to a charge circuit, particularly relate to the charge circuit of a kind of screwdriver.
Background technology
Screwdriver is a kind of for twisting screw to force its instrument in place, and usual screwdriver is divided into normal screws to criticize, combined screwdriver and electric screwdriver.
Traditional electric screwdriver typically uses battery to carry out energy supply, and battery altering is the most inconvenient, and the time of use is short.
In prior art, having the electric screwdriver of rechargeable type, it is generally required to special cradle, cradle is generally contact or plug-in, is connected the compactest, easily gets loose between the cradle of contact and electric screwdriver, and the use of plug-in is the most convenient.
Summary of the invention
It is an object of the invention to solve above-mentioned technical problem, propose the charge circuit of a kind of screwdriver.
The purpose of the present invention, will be achieved by the following technical programs:
A kind of charge circuit of screwdriver, especially, including screwdriver and for the screwdriver holding seat charged to described screwdriver,
Described screwdriver includes metal shell and is positioned at the screwdriver bit of metal shell end, bearing block, conducting strip and battery it is provided with in described metal shell, what described bearing block was arranged at that the end of metal shell having exposes outside metal shell exposes portion, described conducting strip one end is connected with bearing block conducting, the other end turns on the positive pole of battery and is connected, and described metal shell turns on the negative pole of battery and is connected;
Described screwdriver holding seat includes holding seat main body and the PCBA being arranged in holding seat main body, the central authorities of described holding seat main body are provided with the screwdriver accepting hole for screwdriver grafting, it is provided with positive pole elastic electric conductor in the hollow cavity of described screwdriver accepting hole, the end face of described screwdriver accepting hole is provided with cathode conductive film, the positive pole feeder ear of described PCBA is connected with positive pole elastic electric conductor, and the negative pole feeder ear of described PCBA is connected with cathode conductive film;
When described screw driver is connected in screwdriver holding seat, the end face of described metal shell is conducted with cathode conductive film and abuts, described bearing block be connected to positive pole elastic electric conductor and therewith conducting be connected, external charge current forms charge circuit by way of the positive pole feeder ear of PCBA, positive pole elastic electric conductor, bearing block, conducting strip, the positive pole of battery, the negative pole of battery, metal shell, cathode conductive film, the negative pole feeder ear of PCBA.
Preferably, described positive pole elastic electric conductor is the positive pole elastic electric conductor being made up of at least spring, and described spring electrically conducts with the periphery of bearing block and is connected.
Preferably, described positive pole elastic electric conductor is by the positive pole elastic electric conductor of a spring Coil-up, and its projecting section is equilateral triangle.
Preferably, described positive pole elastic electric conductor is the positive pole elastic electric conductor with at least one flexure strip, and described flexure strip electrically conducts with the periphery of bearing block and is connected.
Preferably, described positive pole elastic electric conductor is the positive pole elastic electric conductor with six flexure strips, and its projecting section is plum blossom-shaped.
Preferably, the insulation division in described metal shell is provided with one for one end of described conducting strip being pressed in described bearing block and guaranteeing the elastic component that described conducting strip and bearing block electrically conduct.
Preferably, the switching circuit board for controlling screwdriver duty it is additionally provided with between described conducting strip and the positive pole of battery.
Preferably, described conducting strip is additionally provided with an end, and one end of described Zhi Duan is connected with the positive pole of battery by switching circuit board, and the other end of described Zhi Duan is connected with the negative pole of battery by the performance loop of screwdriver.
Preferably, it is provided with screwdriver bit reception hole in described screwdriver holding seat.
Preferably, it is provided with balancing weight in described screwdriver holding seat.
The beneficial effects are mainly as follows:
1. using the screwdriver matched and screwdriver holding seat, screwdriver holding seat forms charge circuit with screwdriver, has conveniently feature by this charge circuit to screwdriver charging;
2. positive pole elastic electric conductor leads employing ad hoc structure, more reliable with contacting between screwdriver, reduces the required precision to electric-conductor, and the plug of screwdriver is more smooth and easy;
3. adding and make conducting strip abut more firm elastic component with bearing block, conducting strip abuts firmly with bearing block, improves the stability of charge circuit.
Accompanying drawing explanation
Fig. 1 is the block schematic illustration of the charge circuit of a kind of screwdriver of the present invention.
Fig. 2 is the structural representation of screwdriver.
Fig. 3 is the exploded perspective view of screwdriver.
Fig. 4 is the exploded perspective view of the screwdriver holding seat of most preferred embodiment.
Fig. 5 is the enlarged diagram of positive pole elastic electric conductor in Fig. 4.
Fig. 6 is the exploded perspective view of the screwdriver holding seat of another embodiment.
Fig. 7 is the enlarged diagram of positive pole elastic electric conductor in Fig. 6.
Fig. 8 is the cross section structure schematic diagram of screwdriver.
Detailed description of the invention
The invention provides the charge circuit of a kind of screwdriver, as shown in Figures 1 to 4, including screwdriver and for the screwdriver holding seat charged to screwdriver, screwdriver includes metal shell 1 and is positioned at the screwdriver bit of metal shell 1 end, screwdriver bit is positioned at the end of metal shell 1, bearing block 2 it is provided with in metal shell 1, conducting strip 3 and battery 4, bearing block 2 is arranged at the end of metal shell 1 and has the portion of exposing 21 exposing outside metal shell, conducting strip 3 one end is connected with bearing block 2 conducting, the other end turns on the positive pole 41 of battery 4 and is connected, metal shell 1 turns on the negative pole 42 of battery 4 and is connected;Screwdriver holding seat includes holding seat main body 5 and the PCBA6 being arranged in holding seat main body 5, PCBA6 has the USB interface for externally fed electric power connecting or miniUSB interface, the central authorities of holding seat main body 5 are provided with the screwdriver accepting hole 51 for screwdriver grafting, positive pole elastic electric conductor 8 it is provided with in the hollow cavity of screwdriver accepting hole 51, the end face of screwdriver accepting hole 51 is provided with cathode conductive film 7, the positive pole feeder ear 61 of PCBA6 is connected with positive pole elastic electric conductor 8, and the negative pole feeder ear 62 of PCBA6 is connected with cathode conductive film 7.
When screw driver is connected in screwdriver holding seat, the end face of metal shell 1 is conducted with cathode conductive film 7 and abuts, the portion of exposing 21 of bearing block 2 be connected to positive pole elastic electric conductor 8 and therewith conducting be connected, external charge current forms charge circuit by way of the positive pole feeder ear 61 of PCBA6, positive pole elastic electric conductor 8, bearing block 2, conducting strip 3, the positive pole 41 of battery 4, the negative pole 42 of battery 4, metal shell 1, cathode conductive film 7, the negative pole feeder ear 62 of PCBA6.It is that the battery in screwdriver carries out storing charging by this charge circuit.
Wherein, positive pole elastic electric conductor is the positive pole elastic electric conductor being made up of at least spring, and spring electrically conducts with the periphery of bearing block and is connected.As shown in Figure 4 and Figure 5, the positive pole elastic electric conductor of this case most preferred embodiment is by the positive pole elastic electric conductor of a spring Coil-up, and its projecting section is equilateral triangle.The positive pole elastic electric conductor that spring is constituted can resilient expansion or retraction, more flexible with docking of bearing block, it is simple to the grafting of screwdriver with pull away, and conduction property is superior.
It addition, positive pole elastic electric conductor can be also the positive pole elastic electric conductor with at least one flexure strip, flexure strip electrically conducts with the periphery of bearing block and is connected.As shown in Figure 6 and Figure 7, for the positive pole elastic electric conductor of another embodiment of this case, this positive pole elastic electric conductor is the positive pole elastic electric conductor with six flexure strips arranged in equilateral hexagonal, and its projecting section is plum blossom-shaped.It is more firm that flexure strip docks with bearing block, and conduction property is superior.
For optimizing this programme, as shown in Figure 8, the insulation division 11 of metal shell 1 is provided with one for one end of conducting strip being pressed in described bearing block and guaranteeing the elastic component 9 that described conducting strip and bearing block electrically conduct, elastic component 9 can improve the stability that conducting strip docks with bearing block, improve the stability of charge circuit, add the service life of charge circuit.
Screwdriver also has self performance loop, performance loop and charge circuit can be with partial intersection, concrete, the switching circuit board for controlling screwdriver duty it is additionally provided with between conducting strip and the positive pole of battery, conducting strip is additionally provided with an end, one end of Zhi Duan is connected with the positive pole of battery by switching circuit board, and the other end of Zhi Duan is connected with the negative pole of battery by the performance loop of screwdriver, and the Zhi Duan of conducting strip puts in self performance loop of screwdriver.
This case also has other to optimize feature, such as, be provided for storing the screwdriver bit reception hole 52 of screwdriver bit in screwdriver holding seat, it is simple to carry.The most such as it is provided with balancing weight 10 in screwdriver holding seat, prevents screwdriver from being mentioned by screwdriver holding seat when pulling away screwdriver holding seat.
The present invention still has numerous embodiments, all employing equivalents or equivalent transformation and all technical schemes of being formed, within all falling within protection scope of the present invention.

Claims (10)

1. the charge circuit of a screwdriver, it is characterised in that: include screwdriver and for the screwdriver holding seat charged to described screwdriver,
Described screwdriver includes metal shell and is positioned at the screwdriver bit of metal shell end, bearing block, conducting strip and battery it is provided with in described metal shell, what described bearing block was arranged at that the end of metal shell having exposes outside metal shell exposes portion, described conducting strip one end is connected with bearing block conducting, the other end turns on the positive pole of battery and is connected, and described metal shell turns on the negative pole of battery and is connected;
Described screwdriver holding seat includes holding seat main body and the PCBA being arranged in holding seat main body, the central authorities of described holding seat main body are provided with the screwdriver accepting hole for screwdriver grafting, it is provided with positive pole elastic electric conductor in the hollow cavity of described screwdriver accepting hole, the end face of described screwdriver accepting hole is provided with cathode conductive film, the positive pole feeder ear of described PCBA is connected with positive pole elastic electric conductor, and the negative pole feeder ear of described PCBA is connected with cathode conductive film;
When described screw driver is connected in screwdriver holding seat, the end face of described metal shell is conducted with cathode conductive film and abuts, described bearing block be connected to positive pole elastic electric conductor and therewith conducting be connected, external charge current forms charge circuit by way of the positive pole feeder ear of PCBA, positive pole elastic electric conductor, bearing block, conducting strip, the positive pole of battery, the negative pole of battery, metal shell, cathode conductive film, the negative pole feeder ear of PCBA.
A kind of charge circuit of screwdriver, it is characterised in that: described positive pole elastic electric conductor is the positive pole elastic electric conductor being made up of at least spring, and described spring electrically conducts with the periphery of bearing block and is connected.
A kind of charge circuit of screwdriver, it is characterised in that: described positive pole elastic electric conductor is by the positive pole elastic electric conductor of a spring Coil-up, and its projecting section is equilateral triangle.
A kind of charge circuit of screwdriver, it is characterised in that: described positive pole elastic electric conductor is the positive pole elastic electric conductor with at least one flexure strip, and described flexure strip electrically conducts with the periphery of bearing block and is connected.
A kind of charge circuit of screwdriver, it is characterised in that: described positive pole elastic electric conductor is the positive pole elastic electric conductor with six flexure strips, and its projecting section is plum blossom-shaped.
A kind of charge circuit of screwdriver, it is characterised in that: the insulation division in described metal shell is provided with one for one end of described conducting strip being pressed in described bearing block and guaranteeing the elastic component that described conducting strip and bearing block electrically conduct.
A kind of charge circuit of screwdriver, it is characterised in that: it is additionally provided with the switching circuit board for controlling screwdriver duty between described conducting strip and the positive pole of battery.
A kind of charge circuit of screwdriver, it is characterized in that: described conducting strip is additionally provided with an end, one end of described Zhi Duan is connected with the positive pole of battery by switching circuit board, and the other end of described Zhi Duan is connected with the negative pole of battery by the performance loop of screwdriver.
A kind of charge circuit of screwdriver, it is characterised in that: it is provided with screwdriver bit reception hole in described screwdriver holding seat.
A kind of charge circuit of screwdriver, it is characterised in that: it is provided with balancing weight in described screwdriver holding seat.
CN201510071417.1A 2015-02-11 2015-02-11 A kind of charge circuit of screwdriver Active CN104682495B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510071417.1A CN104682495B (en) 2015-02-11 2015-02-11 A kind of charge circuit of screwdriver

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201510071417.1A CN104682495B (en) 2015-02-11 2015-02-11 A kind of charge circuit of screwdriver
PCT/CN2015/077191 WO2016008321A1 (en) 2014-07-17 2015-04-22 Manual-automatic integration screwdriver and accommodating base thereof, and charging loop

Publications (2)

Publication Number Publication Date
CN104682495A CN104682495A (en) 2015-06-03
CN104682495B true CN104682495B (en) 2016-11-02

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510071417.1A Active CN104682495B (en) 2015-02-11 2015-02-11 A kind of charge circuit of screwdriver

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104128904A (en) * 2014-07-17 2014-11-05 苏州斯坦科机电有限公司 Manual-automatic screwdriver
CN105856141B (en) * 2016-06-06 2017-08-22 苏州斯坦科机电有限公司 With the screwdriver and cradle for coordinating charge function

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